mountain behind which the wreckage lies. they attended another prayer service last night. many of the families thought to have gone home in the evening all waking up this evening to the grim reality of the recovery effort continues. erin such a sad grim task ahead of them. we wish them the best and no more injuries or loss of life as they find the pieces of the plane and the rest of the bodies. the ability of andreas lubitz to lock the pilot out of the cockpit is raising questions about the in-flight policies of lufthansa, the company which owns germanwings. senior correspondent frederik pleitgen spoke with lufthansa ceo carsten spohr and asked him